N.C.S.R. "Demokritos"

Research

Department of Materials Science

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Mortars and grouts for the conservation of architectural monuments

One of the main activities of the Group is dedicated to the laboratory analysis and characterisation of archaeological and traditional mortars from different architectural structures and monuments, with respect to their effective conservation.
The activity focuses on the design and development of sustainable, energy-efficient conservation composites, by incorporating traditional, low-cost earthen-based materials and modern, nano-materials.
It is aimed at those who work on the conservation historic buildings: architects, surveyors, engineers, conservators, contractors and conservation officers, but also owners, curators, students and researchers.

Beyond conservation studies and consulting for field projects, the main research activities in the field focus on:

  • Study of self-healing mechanism in ancient lime-based mortars and conditions to activate the phenomenon in modern structures (see Archaeo-mimetics section).
  • Enhancement of reactivity in natural and artificial, low-cost pozzolanic admixtures.
  • Optimization of mortars properties in terms of strength, durability and performance towards the reduction of the production cost.
  • Development of material- and methodology- related solutions for existing conservation problems, directives for new products, along with enhancement/ optimisation of existing products for application in Cultural Heritage.

 

 

Relevant journal articles

  • Karatasios, I., Katsiotis, M. S., Likodimos, V., Kontos, A. I., Papavassiliou, G., Falaras, P., Kilikoglou, V. (2010) Photo-induced self-cleaning and carbonation of lime-TiO2 mortars, Applied Catalysis B: Environmental 95, 78-86.
  • Karatasios, I., Kilikoglou, V., Theoulakis, P., Colston, B., Watt, D. (2008) Sulphate resistance of lime-based barium mortars, Cement and Concrete Composites 30, 815-821.
  • Karatasios, I., Kilikoglou, V., Colston, B., Theoulakis, P., Watt, D. (2007) Setting process of lime-based conservation mortars with barium hydroxide, Cement and Concrete Research 37, 886-893.
  • Maravelaki-Kalaitzaki, P., Bakolas, A., Karatasios, I., Kilikoglou, V. (2005) Hydraulic lime mortars for the restoration of historic masonry in Crete, Cement and Concrete Research 35, 1577-1586.
  • Department of Materials Science, N.C.S.R. "Demokritos", 153 10 Aghia Paraskevi, Attiki, phone: +30 210 6503381, fax: +30 210 6519430
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